Quick answers
- Which hospitals does Michael J. Garren work at?
- Medicare's official clinician data lists Michael J. Garren at 1 hospital: University of WI Hospitals & Clinics Authority. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Garren see patients?
- Medicare's clinician data lists 4 practice locations, including Rockford, IL and Madison, WI. Call before your visit to confirm the address.
- What is Michael J. Garren's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Michael J. Garren accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Garren accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael J. Garren?
- (608) 265-7090, as listed in official Medicare / NPI Registry data.
- What is Michael J. Garren's NPI number?
- 1013971662. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Garren works
Medicare's Facility Affiliation Data lists Michael J. Garren at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of WI Hospitals & Clinics AuthorityMadison, WI · Acute Care Hospital · CCN 520098
Practice locations
Addresses where Michael J. Garren is enrolled with Medicare (CMS data updated 2026-10-02).
- 2404 Charles StRockford, IL 61108 (608) 265‑7090
- 3209 Dryden DrMadison, WI 53704
- 4602 Eastpark BlvdMadison, WI 53718 (608) 440‑6400
- 600 Highland AveMadison, WI 53792 (608) 263‑6400
Group practices
Medicare enrollment lists Michael J. Garren as a member of this group (CMS data updated 2026-10-02).
- University of Wisconsin Medical Foundation Inc2,553 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Rockford
Clinicians with the same Medicare primary specialty in Rockford, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013971662 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians